Tellurite glasses in the form (95-X) TEO2-5NB2O5-XTIO2, X= 5.0, 7.5, 10.0 and 12.5 mol % have been successfully prepared by the melt quenching technique. Density ρ and molar volume V have been measured. UV-Visible absorption spectra for the presented ternary tellurite glass systems have been measured in the wavelength range 200-850 nm. The optical band gap, Eg, and refractive index, n, of the presented glass systems have been calculated by using the derivation absorption spectrum fitting (DASF) and absorption spectrum fitting (ASF) methods. Also, Urbach’s energy, ΔE for tellurite glass systems was obtained using the absorption spectrum fitting (ASF) method. Comparison between both methods has been presented. Differential thermal analysis (DTA) for the prepared glasses with systematic heating rate 10°C/min has been carried out. The glass transition temperature, Tg, onset crystallization temperature, Tc, melting temperature, Tm, glass stability range, S, and glass factor, Kg, of the present glasses have been measured. The average cross-link density, ¯nc, number of bonds per unit volume, nb, and average stretching force constant, F¯, have been calculated.
| Published in | American Journal of Optics and Photonics (Volume 5, Issue 2) |
| DOI | 10.11648/j.ajop.20170502.11 |
| Page(s) | 11-18 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2017. Published by Science Publishing Group |
Glass, Tellurite, Optical, Thermal
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APA Style
Raouf El-Mallawany, Yasser Saad Rammah, Amin El Adawy, Zahra Wasses. (2017). Optical and Thermal Properties of Some Tellurite Glasses. American Journal of Optics and Photonics, 5(2), 11-18. https://doi.org/10.11648/j.ajop.20170502.11
ACS Style
Raouf El-Mallawany; Yasser Saad Rammah; Amin El Adawy; Zahra Wasses. Optical and Thermal Properties of Some Tellurite Glasses. Am. J. Opt. Photonics 2017, 5(2), 11-18. doi: 10.11648/j.ajop.20170502.11
AMA Style
Raouf El-Mallawany, Yasser Saad Rammah, Amin El Adawy, Zahra Wasses. Optical and Thermal Properties of Some Tellurite Glasses. Am J Opt Photonics. 2017;5(2):11-18. doi: 10.11648/j.ajop.20170502.11
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Download@article{10.11648/j.ajop.20170502.11,
author = {Raouf El-Mallawany and Yasser Saad Rammah and Amin El Adawy and Zahra Wasses},
title = {Optical and Thermal Properties of Some Tellurite Glasses},
journal = {American Journal of Optics and Photonics},
volume = {5},
number = {2},
pages = {11-18},
doi = {10.11648/j.ajop.20170502.11},
url = {https://doi.org/10.11648/j.ajop.20170502.11},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajop.20170502.11},
abstract = {Tellurite glasses in the form (95-X) TEO2-5NB2O5-XTIO2, X= 5.0, 7.5, 10.0 and 12.5 mol % have been successfully prepared by the melt quenching technique. Density ρ and molar volume V have been measured. UV-Visible absorption spectra for the presented ternary tellurite glass systems have been measured in the wavelength range 200-850 nm. The optical band gap, Eg, and refractive index, n, of the presented glass systems have been calculated by using the derivation absorption spectrum fitting (DASF) and absorption spectrum fitting (ASF) methods. Also, Urbach’s energy, ΔE for tellurite glass systems was obtained using the absorption spectrum fitting (ASF) method. Comparison between both methods has been presented. Differential thermal analysis (DTA) for the prepared glasses with systematic heating rate 10°C/min has been carried out. The glass transition temperature, Tg, onset crystallization temperature, Tc, melting temperature, Tm, glass stability range, S, and glass factor, Kg, of the present glasses have been measured. The average cross-link density, ¯nc, number of bonds per unit volume, nb, and average stretching force constant, F¯, have been calculated.},
year = {2017}
}
TY - JOUR T1 - Optical and Thermal Properties of Some Tellurite Glasses AU - Raouf El-Mallawany AU - Yasser Saad Rammah AU - Amin El Adawy AU - Zahra Wasses Y1 - 2017/09/13 PY - 2017 N1 - https://doi.org/10.11648/j.ajop.20170502.11 DO - 10.11648/j.ajop.20170502.11 T2 - American Journal of Optics and Photonics JF - American Journal of Optics and Photonics JO - American Journal of Optics and Photonics SP - 11 EP - 18 PB - Science Publishing Group SN - 2330-8494 UR - https://doi.org/10.11648/j.ajop.20170502.11 AB - Tellurite glasses in the form (95-X) TEO2-5NB2O5-XTIO2, X= 5.0, 7.5, 10.0 and 12.5 mol % have been successfully prepared by the melt quenching technique. Density ρ and molar volume V have been measured. UV-Visible absorption spectra for the presented ternary tellurite glass systems have been measured in the wavelength range 200-850 nm. The optical band gap, Eg, and refractive index, n, of the presented glass systems have been calculated by using the derivation absorption spectrum fitting (DASF) and absorption spectrum fitting (ASF) methods. Also, Urbach’s energy, ΔE for tellurite glass systems was obtained using the absorption spectrum fitting (ASF) method. Comparison between both methods has been presented. Differential thermal analysis (DTA) for the prepared glasses with systematic heating rate 10°C/min has been carried out. The glass transition temperature, Tg, onset crystallization temperature, Tc, melting temperature, Tm, glass stability range, S, and glass factor, Kg, of the present glasses have been measured. The average cross-link density, ¯nc, number of bonds per unit volume, nb, and average stretching force constant, F¯, have been calculated. VL - 5 IS - 2 ER -
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